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2. Faulty Shut Off
Valve
3. Still Filling
4. Low
Pressure/Blockage
are sitting in just the right spot, they can lock the valve in
place. Try tilting the system from side to side, back & forth to
shift the air pockets. You can also tap on the 4-way shut off
valve (the cube shape fitting on the back) to try and clear the
air pocket. If this fails, turn the water off, bleed out the
pressure then turn the incoming water back on to try and clear
it.
2. If it is not an air lock, there may be something wrong with
the shut off valve. These parts are warranted for 2 years from
date of purchase. Outside this time, it is recommended to
replace them.
3. Ensure that you have allowed the system enough time to
replenish the tank. Check with other household members to
see if someone recently drew water from the unit.
4. Low pressure can cause the water to continuously run to
waste without producing filtered water. Ensure your feed water
pressure is > 50psi. Your pre-filters may also be blocked.
TDS is higher
than expected
from membrane.
1. Rejection Rate
Calculation
2. Incoming
pressure below
optimal
1. The rejection rate of these systems when working under
optimal conditions should be 95 – 98%. So, if your TDS was
200ppm the final TDS off the membrane should be around 5 –
10. This can fluctuate due to several factors but mostly due to
inlet pressure. Note that as the EC/TDS of the water reduces,
so does the accuracy of most TDS/EC monitors and meters.
Also, rejection rate will also be lower if your incoming TDS is
already (for example <50 TDS)
2. As mentioned online and in the manual, the optimal working
pressure for this system is >70psi (500 kPa). At 70psi or above
you will achieve the best rejection rate. If your water pressure
is lower, you can expect the TDS of the membrane water to
increase due to the reduced osmotic pressure
Additional Extras
I. Water Hammer Arrester
Sioux Chief shock arresters are designed for use in hydraulic hammer arresting
applications. They are built to reduce or eliminate hydraulic shock, otherwise
known as water hammer. They do this by absorbing pressure surges within water
or other fluids that are suddenly stopped or forced in other directions by fast closing
valves. Sioux Chief shock arresters are best used at the point of shock and should
be installed as close to the valve or piping where the shock originates from. Sioux
Chief shock arresters are designed with the latest diaphragm technology. A high-
grade diaphragm is sealed inside the vessel creating a barrier between fluid and air
chambers. The air chamber acts as a cushion which compresses when system
pressure suddenly increases or surges as a result of hydraulic shock.
The water hammer arrestor is installed either at your washing machine or your
dishwasher inlet.
